Portable Applications

• Containers are a way to package an application with all its dependencies. (Much easier to install on any system.)

• Share the kernel with the host, not VMs!

What is a container

• An app using an image (there can be many containers using the same image).
• Has a name and a hash.

Managing containers

• Creation.

• Launch (-d?).

• Listing running containers.

• Copying files (docker cp).

• Stopping.

• Deletion (rm).

• Input/Output -it.

Running containers

• Run = Create + Start.

• Run Ephemeral run --rm

• Stopping exited containers: docker container prune.

• Logs: docker logs mycont.

• exec -it